The designing considerations and procedure of hybrid refractive diffractive ultra wide angle ( 70 °) eyepieces are presented, one is with two diffractive surfaces and another is with single diffractive surface.

1、

The witchweed steals water and nutrients from the roots and attacks the sorghum with a poisonous substance.

独脚金从根部吸收水分和营养，并且释放毒素攻击高粱。

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2、

Striga is a parasitic plant that Africans commonly call witchweed.

斯特赖加是一种寄生野草，非洲人通常称其为独角金。

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3、

If no sorghum seeds are present, the witchweed seeds can lie under the soil for years.

如果没有高粱种子的存在，独脚金的种子能够在土壤中沉寂数年。

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4、

This paper discusses the basic principle and method of optimum design of coil compression spring, establishes the mathematical model of Optimum design with the objective function of the least spring wight.

本文论述了圆柱压缩螺旋弹簧优化设计的基本原则和方法，建立了以弹簧重量最轻为目标的优化设计的数学模型。

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5、

and of which the wight Death is the only glazier.

而唯一的玻璃装配匠就是死神那家伙。

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6、

In leaf fruit ratio analysis, the correlation coefficient between leaf photoactive chlorophyll content and fruit wight is highest among the other index correlation coefficients. 4.

叶果比分析中，叶片光合有效叶绿素含量与果实重量的相关性系数最高。

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7、

Wight controls are quite strict but I have sneaked in some line and a few lures in case the opportunity arises.

重量控制非常严格，不过我还是偷偷放了点鱼线和鱼饵，以备机会出现。

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8、

For late bookings simply phone telex with dates, Wight and credit card details. Then meet us at the Airport information Desk.

最晚也能预订，只需电话电传，说明日期、航班和信用卡详况，随后至机场问询处与我们接洽。

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9、

Studies on Storing Vigna Sesquipedalis Wight Seeds Safely

豇豆种子安全贮存初探

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10、

The main organs weight and body wight of 45 Beagle dogs were recorded respectively and the linear regression equation was calculated.

对45只Beagle犬的体重与各脏器重量之间的关系进行了回归分析，并计算出相应的直线回归方程。

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11、

The aluminum has the characteristic of high strength and light wight. Replacing steel by aluminium can effectively reduce the weight of automobile.

铝合金具有强度高，质量轻等特点，使用铝合金来代替钢部件可以有效地减少车身重量。

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12、

Property study of Phaseolus angularis Wight red

赤豆红色素的性质研究

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13、

Studies on Environmental Capacity of Dioscorea Zingiberensis Wight Planting and Its Most Optimum Distribution of Resources in Shiyan

十堰市黄姜种植环境容量分析及布局优化配置研究

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14、

Reliability design of V-belt drive get not only a small size?? light wight but also high reliability in the circulating pump.

讨论了泵中V带传动的可靠性设计与传统设计比较，不仅根数少、尺寸小、质量轻，而且可靠性高。

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15、

Environmental capacity of Dioscorea zingiberensis Wight planting during 1999 to 2006 is estimated by establishing fuzzy optimization model.

运用模糊优选模型计算1999年-2006年十堰市黄姜种植环境容量。

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16、

Wight's book includes hitherto unpublished material.

怀特书包括了迄今所有未出版资料。

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17、

However, the narrow molecular wight distribution of the polymer produced by metallocene catalyst causes difficulties in industrial procedure.

然而，茂金属聚合物较窄的分子量分布也使得其加工性能较差，不利于工业化的生产。

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18、

CONCLUSIONS: That Rh wight have effect of prolongating ventricular refractory period.

结论：Rh具有延长兔心室不应期的作用。

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19、

Heuristic and exact algorithms for the constraint minimum Wight spanning tree problem

约束最小权生成树的近似算法和分枝定界算法

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20、

How much did your son Wight when he was born?

你儿子出生时有多重？

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